Perfect product for anyone using a PC or HTPC as a dematerialized source with a USB converter (DAC). Based on components and very high-end connectivity, it will clean the USB port of the noise generated by the switch mode power supply.
The AXF-107 module from Elfidelity is a switch mode power supply filter for computers connected in PCI Express or PCI Express 16x and designed to provide cleaner power to all connected cards (sound card, interfaces, GPU...).